Exam 3: Cancer Flashcards
_________ is defined as a neoplastic disorder characterized by abnormal cellular differentiation & proliferation
Cancer
What word means “New Growth” ?
Neoplasm
True or False: Cancer is a universal disease that affects people without regard, to race, sex, socioeconomic status, or culture ?
True
True or False: Cancer is now treated as a chronic disease rather than a terminal disease ?
True
________ are “just a growth” that can be either benign or malignant ?
Tumors
What does it mean if cells are “well-differentiated” ?
They act & look like the normal cell
What are characteristics of Benign tumors ?
- Limited growth
- Localized
- Cell’s are well-differentiated
- Does not invade surrounding tissue
What are characteristics of Malignant tumors ?
- Rapid or Slow growth
- Spread throughout the body
- Invasive to distant sites
- Cells poorly differentiated
What does it mean if cells are “ poorly differentiated” ?
They DON’T look like normal cells
What are 3 examples of malignant tumors that have rapid growth ?
- Lung cancer
- Hematologic cancer
- Leukemic cancer
What is an Example of a malignant tumor that has slow growth ?
Prostate cancer
____________ are defined as a substance or agent that causes the development or increases the incidence of cancer ?
Carcinogens
What are examples of different kinds of carcinogens that can cause cancer ?
- Chemical
- Physical
- Genetic susceptibility
- Viruses
What type of a carcinogen is defined as “ repeated injury to tissue” ?
Physical carcinogen
What are Examples of chemical carcinogens ?
- Benzine
- Arsenic
- Formaldehyde
What types of cancers can be d/t Genetic Susceptibility ?`
- Breast cancer
- Colon cancer
- Ovarian cancer
- Pancreatic cancer
What are examples of viruses that can be linked to cancer ?
- HPV
- HIV
- Hep B
What viral cancer causes cancer of the cervix in women & cancer of the head and neck in both sexes ?
HPV
What Virus can causes Kaposi Sarcoma ?
HIV
What virus can increase the chance of Liver cancer ?
Hepatitis B
Types of Cancer are classified how ?
By cell type and orgin
What are the different types of cancer classifications ?
- Carcinoma
- Sarcoma
- Lymphoma
- Leukemia
Carcinoma cancers usually originate where ?
- Skin
- Glands
- Mucosa linings
- lungs
- GI tract
- GU
Lymphoma cancers are generally seen where ?
Lymphatic tissues
Leukemia’s generally affect what ?
Bone Marrow
What grade of a tumor cannot be assessed ?
Grade V (5)
What grade of a tumor has “mild dysplasia (well-differentiated; low grade) ?
Grade I
The classification of tumors is based on what ?
The extent of the disease
What Classification System is used to assess tumors ?
TNM
What does the classification system TNM stand for ?
T - tumor
N - degree of regional spread to lymph nodes
M - metastasis
Staging of tumors/cancers Can Not be done until when ?
Until full diagnostic workups have been completed
What does “ in situ” mean ?
Means the cancer has no tendency to invade other tissue
What stage is defined as “Cancer in situ” ?
Stage 0
In what stage is the tumor limited to the tissue of origin ?
Stage 1
In what stage is the cancer limited to local spread ?
Stage 2
In what stage does the cancer have extensive local and regional spread ?
Stage 3
In what stage of cancer is there widespread metastasis ?
Stage 4
What type of diagnostics are used to look for cancer ?
- Blood tests
- Pap Smear
- Proctoscopic Exams
- Radiologic exams
- Biopsy
What diagnostic test is considered a definitive test ?
Biopsy
What are goals of treatment for individuals with cancer ?
- Cure
- Control
- Palliation
What are Treatment options for cancer ?
- Surgery
- Radiation
- Chemotherapy
- Biologic therapy
- Targeted therapy
- Stem cell transplant
what are reasons why Surgical therapy is used ?
- Diagnosis
- staging
- cure
- palliation
- adjuvant tx
- oncological emergencies
- pain control
Why is surgical therapy used ?
To cure or control tumor growth
True or False: When using surgical therapy a margin of surrounding normal tissue must be removed at time of surgery “clean margins” ?
True
Radiation is used to do what ?
- Cure
- Control
- Palliate
True or False: Radiation therapy is used alone or in combination with other modalities ?
True
Why is radiation therapy used ?
Used for inoperable tumors to reduce size, control growth, and relieve pain or obstruction
What routes can radiation therapy be given ?
- External
- Internal
What is the goal of Chemotherapy ?
To reduce the # of malignant cancer cells in the tumor site(s)
True or False: Chemotherapy is used both systemically and regionally ?
True
How is systemic chemotherapy usually given ?
through IV
How is regional chemotherapy given ?
Insert a catheter directly into the organ//area causing the cancer
Chemotherapy is used for most ______________ & _________________ ?
- Solid tumors
- hematologic cancers
What type of therapy targets rapidly dividing cells which has the potential for toxicity to normal cells ?
Chemotherapy
True or False: Patients are usually treated with a combination of drugs to affect cancer at different cell stages ?
True
What are some side effects of chemotherapy ?
- sore throat
- difficulty swallowing
- esophagitis
- nausea
- vomiting
- diarrhea
Effects of radiation are very specific to what ?
the specific radiation field involved
ex: Brain
The effects of chemo tend to be what ?
Generalized to the entire body or different parts of the body